Pifithrin-β

Modify Date: 2025-08-25 18:50:59

Pifithrin-β Structure
Pifithrin-β structure
Common Name Pifithrin-β
CAS Number 60477-34-1 Molecular Weight 268.37700
Density N/A Boiling Point N/A
Molecular Formula C16H16N2S Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Pifithrin-β


Pifithrin-β is a potent p53 inhibitor with an IC50 of 23 μM.

 Names

Name 2-(4-methylphenyl)-5,6,7,8-tetrahydroimidazo[2,1-b][1,3]benzothiazole
Synonym More Synonyms

 Pifithrin-β Biological Activity

Description Pifithrin-β is a potent p53 inhibitor with an IC50 of 23 μM.
Related Catalog
Target

IC50: 23 μM (p53)[1]

In Vitro Pifithrin-α, an inhibitor of the p53 protein, is regarded as a lead compound for cancer and neurodegenerative disease therapy. Pifithrin-α is very unstable in culture medium and rapidly converts to its condensation product pifithrin-β, the N-acetyl derivative[2]. After 24 h, the viability assay shows that the pretreatments with 1 and 10 μM pifithrin-β exerts neuroprotective effects[3].
References

[1]. Christodoulou MS, et al. Synthesis and biological evaluation of imidazolo[2,1-b]benzothiazole derivatives, as potential p53 inhibitors. Bioorg Med Chem. 2011 Mar 1;19(5):1649-57.

[2]. Fernández-Cruz ML, et al. Biological and chemical studies on aryl hydrocarbon receptor induction by the p53 inhibitor pifithrin-α and its condensation product pifithrin-β. Life Sci. 2011 Apr 25;88(17-18):774-83.

[3]. Da Pozzo E, et al. p53 functional inhibitors behaving like pifithrin-β counteract the Alzheimer peptide non-β-amyloid component effects in human SH-SY5Y cells. ACS Chem Neurosci. 2014 May 21;5(5):390-9.

 Chemical & Physical Properties

Molecular Formula C16H16N2S
Molecular Weight 268.37700
Exact Mass 268.10300
PSA 45.54000
LogP 4.25000
Storage condition 2-8℃

 Synonyms

Pifithrin-Beta
UNII-45I8QO7K37
Pifithrin-β
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